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This roof was constructed to meet the IBHS Fortified Roof standard by sealing the decking seams with flashing tape, installing synthetic roof underlayment secured with metal drip edge and nailed every six inches, and using self-adhered starter shingles.

This roof was constructed to meet the IBHS Fortified Roof standard by sealing the decking seams with flashing tape, installing synthetic roof underlayment secured with metal drip edge and nailed every six inches, and using self-adhered starter shingles.
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This roof was insulated above the roof deck with 5.5 inches (R-38.5) of closed-cell spray foam.

This roof was insulated above the roof deck with 5.5 inches (R-38.5) of closed-cell spray foam.
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This search for metal roofing products on the CRRC Rated Roof Products Directory highlights the initial and 3-year aged SRI values for each product

This search for metal roofing products on the CRRC Rated Roof Products Directory highlights the initial and 3-year aged SRI values for each product
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This simplified decision tree can help a homeowner or contractor assess how appropriate a cool roof or wall will be for a particular home

This simplified decision tree can help a homeowner or contractor assess how appropriate a cool roof or wall will be for a particular home
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This step flashing was installed over, not under, the siding, so water is getting behind the step flashing and rotting the siding; the house was also badly designed with a window frame that touches the intersecting roof, inviting interior water damage.

This step flashing was installed over, not under, the siding, so water is getting behind the step flashing and rotting the siding; the house was also badly designed with a window frame that touches the intersecting roof, inviting interior water damage.
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Three inches of closed-cell spray foam (R-19) and 7.5 inches (R-28) of open-cell spray foam was installed below the roof sheathing in this cathedral ceiling.

Three inches of closed-cell spray foam (R-19) and 7.5 inches (R-28) of open-cell spray foam was installed below the roof sheathing in this cathedral ceiling.
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Three locations and methods for installing a roof deck radiant barrier in new construction

Three locations and methods for installing a roof deck radiant barrier in new construction
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To improve solar power production, builders and developers can plan subdivision lot lines and roads for predominantly north and south orientations.

To improve solar power production, builders and developers can plan subdivision lot lines and roads for predominantly north and south orientations.
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To keep water out, flashing should be integrated with the house wrap, siding, and shingles or roof tiles.

To keep water out, flashing should be integrated with the house wrap, siding, and shingles or roof tiles.
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To reduce the risk of condensation on the interior of the roof sheathing in cold weather, the ratio of exterior (above-deck) insulation must be increased as a percent of total attic insulation as outside temperature decreases

To reduce the risk of condensation on the interior of the roof sheathing in cold weather, the ratio of exterior (above-deck) insulation must be increased as a percent of total attic insulation as outside temperature decreases
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Traditional roof trusses pinch insulation where the roof meets the walls.

Traditional roof trusses pinch insulation where the roof meets the walls.
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Types of heat pump water heaters commonly used in central heat pump water heating systems include single pass units, multi pass units, and integrated units

Types of heat pump water heaters commonly used in central heat pump water heating systems include single pass units, multi pass units, and integrated units
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Typical basement foundation and safe room.

Typical basement foundation and safe room.
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Typical Concrete Tile Roofs in Florida

Typical Concrete Tile Roofs in Florida
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Typical roof truss top chord bracing

Typical roof truss top chord bracing
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Underneath the roof sheathing and two exterior layers of rigid foam, the builder stapled netting to the underside of the rafters and filled the roof cavities of the unvented attic with blown-in fiberglass insulation.

Underneath the roof sheathing and two exterior layers of rigid foam, the builder stapled netting to the underside of the rafters and filled the roof cavities of the unvented attic with blown-in fiberglass insulation.
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Uninsulated, unsealed, or missing rim joists allow attic air and heat into the floor cavity

Uninsulated, unsealed, or missing rim joists allow attic air and heat into the floor cavity
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Unsealed, uninsulated rim joists allow outside air and heat into the floor cavity

Unsealed, uninsulated rim joists allow outside air and heat into the floor cavity
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Unvented air-sealed crawlspace is insulated along the perimeter walls with rigid foam

Unvented air-sealed crawlspace is insulated along the perimeter walls with rigid foam
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Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and a fully adhered membrane seal at the top of wall-to-roof transition

Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and a fully adhered membrane seal at the top of wall-to-roof transition
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Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and taped top edge of existing house wrap or building paper

Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and taped top edge of existing house wrap or building paper
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Unvented roof assembly at rake retrofitted with a filler piece and taped top edge of existing house wrap or building paper to seal the top of wall-to-roof transition

Unvented roof assembly at rake retrofitted with a filler piece and taped top edge of existing house wrap or building paper to seal the top of wall-to-roof transition
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Unvented roof assembly at rake retrofitted with spray foam installed along the underside of the roof deck and extended to the rake edge to insulate and air seal the attic

Unvented roof assembly at rake retrofitted with spray foam installed along the underside of the roof deck and extended to the rake edge to insulate and air seal the attic
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Using roof and wall materials with a high Solar Reflectance Index (SRI) will reduce heat gains.

Using roof and wall materials with a high Solar Reflectance Index (SRI) will reduce heat gains.